261305148

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1\times {\mathrm{227}}^1$

素因数の和:451

約数の個数: 96

約数和(自身を含む): 677827584

約数和(自身を除く): 416522436

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 47, 52, 78, 94, 141, 156, 157, 188, 227, 282, 314, 454, 471, 564, 611, 628, 681, 908, 942, 1222, 1362, 1833, 1884, 2041, 2444, 2724, 2951, 3666, 4082, 5902, 6123, 7332, 7379, 8164, 8853, 10669, 11804, 12246, 14758, 17706, 21338, 22137, 24492, 29516, 32007, 35412, 35639, 42676, 44274, 64014, 71278, 88548, 95927, 106917, 128028, 138697, 142556, 191854, 213834, 277394, 287781, 383708, 416091, 427668, 463307, 554788, 575562, 832182, 926614, 1151124, 1389921, 1664364, 1675033, 1853228, 2779842, 3350066, 5025099, 5559684, 6700132, 10050198, 20100396, 21775429, 43550858, 65326287, 87101716, 130652574, 261305148]

約数ペア:

[(1, 261305148), (2, 130652574), (3, 87101716), (4, 65326287), (6, 43550858), (12, 21775429), (13, 20100396), (26, 10050198), (39, 6700132), (47, 5559684), (52, 5025099), (78, 3350066), (94, 2779842), (141, 1853228), (156, 1675033), (157, 1664364), (188, 1389921), (227, 1151124), (282, 926614), (314, 832182), (454, 575562), (471, 554788), (564, 463307), (611, 427668), (628, 416091), (681, 383708), (908, 287781), (942, 277394), (1222, 213834), (1362, 191854), (1833, 142556), (1884, 138697), (2041, 128028), (2444, 106917), (2724, 95927), (2951, 88548), (3666, 71278), (4082, 64014), (5902, 44274), (6123, 42676), (7332, 35639), (7379, 35412), (8164, 32007), (8853, 29516), (10669, 24492), (11804, 22137), (12246, 21338), (14758, 17706)]